Microsoft Office 365 Fehler bei Forwarding
If you experience an Issue with E-Mail Forwarding to domonda based on rule settings in your Microsoft Office 365 Email provider, e.g. this message: “"Remote server returned '550 5.7.520 Access denied, Your organization does not allow external forwarding. Please contact your administrator for further assistance. AS(7555)'"
See this Microsoft KB-Item:https://answers.microsoft.com/en-us/msoffice/forum/all/550-57520-access-denied-when-forwarding-to-another/c519e969-b4b4-44be-bc40-89509cb4113c “
Go to Microsoft 365 admin center and configure the “Automatic Forwarding” to ON - see Screenshots

